* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  background: #0f1419;
  color: #e8eaed;
}

.app {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
}

.header h1 {
  font-size: 2rem;
  font-weight: 600;
}

.date {
  color: #9aa0a6;
  font-size: 0.95rem;
}

.loading {
  text-align: center;
  padding: 4rem;
  color: #9aa0a6;
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.metric-card {
  background: #1e2732;
  border: 1px solid #2d3748;
  border-radius: 8px;
  padding: 1.5rem;
}

.metric-label {
  color: #9aa0a6;
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.metric-value {
  font-size: 2rem;
  font-weight: 600;
  color: #4c9aff;
}

.section {
  background: #1e2732;
  border: 1px solid #2d3748;
  border-radius: 8px;
  padding: 1.5rem;
}

.section h2 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: #e8eaed;
}

.activity-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.activity-item {
  display: flex;
  gap: 1rem;
  padding: 0.75rem;
  background: #131920;
  border-radius: 6px;
}

.activity-time {
  color: #9aa0a6;
  font-size: 0.875rem;
  min-width: 80px;
}

.activity-text {
  color: #e8eaed;
  font-size: 0.875rem;
}
